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After Calculating the Sample Size Needed to Estimate a Population

Question 160

Multiple Choice

After calculating the sample size needed to estimate a population proportion to within 0.04, your statistics professor told you the maximum allowable error must be reduced to just .01. If the original calculation led to a sample size of 800, the sample size will now have to be:


A) 800
B) 3200
C) 12,800
D) 6400
E) 1600

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